MS Heavy Construction Practice Questions - Mississippi Heavy Construction Contractor Examination Exam - MS Heavy Construction Practice Questions - Mississippi Heavy Construction Contractor Examination Exam

Question 1

On a buried ductile-iron water main in corrosive soil, DIPRA's generally recommended external corrosion-control method is:

Polyethylene encasement installed in accordance with ANSI/AWWA C105/A21.5 A full-length reinforced-concrete encasement of every pipe length Leaving the asphaltic shop coating as the only protection, with no additional wrap Wrapping only the bells with electrical tape after the trench is backfilled

Correct Answer:

Polyethylene encasement installed in accordance with ANSI/AWWA C105/A21.5

Question 2

A water-main trench is 280 feet long, 3.5 feet wide, and 6 feet deep with vertical sides. The excavated volume is closest to:

373 cubic yards 218 cubic yards 653 cubic yards 5,880 cubic yards

Correct Answer:

218 cubic yards

Question 3

Unbalanced hydrostatic thrust at a ductile-iron bend, tee, or dead end is typically resisted by:

Increasing only the pipe pressure class Polyethylene encasement around the fitting Thrust blocking, restrained joints, or a designed combination of both An air-release valve on the fitting

Correct Answer:

Thrust blocking, restrained joints, or a designed combination of both

Question 4

Under DIPRA laying conditions, a Type 4 installation generally means the pipe is:

Laid directly on the undisturbed trench bottom with no bedding stone Fully encased in reinforced concrete for its entire length Supported only at the bells on timber blocks Bedded in sand, gravel, or crushed stone to a depth of one-eighth the pipe diameter (4-inch minimum), with backfill compacted to the top of the pipe

Correct Answer:

Bedded in sand, gravel, or crushed stone to a depth of one-eighth the pipe diameter (4-inch minimum), with backfill compacted to the top of the pipe

Question 5

After a reinforced-concrete pipe or box culvert with lifting holes is set to line and grade, the lifting holes should be:

Plugged and sealed according to the manufacturer before backfill Left open so groundwater can drain from the barrel Used as grout ports for the entire remaining run Covered only with a piece of polyethylene film

Correct Answer:

Plugged and sealed according to the manufacturer before backfill

Exam overview

About this Exam

Prepare with the MS Heavy Construction Practice Questions - Mississippi Heavy Construction Contractor Examination Exam practice quiz. This question bank includes 100 questions covering feet, steel, ductile-iron, soil, and foot. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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MS Heavy Construction Practice Questions - Mississippi Heavy Construction Contractor Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on feet, steel, ductile-iron, soil, and foot. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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MS Heavy Construction Practice Questions - Mississippi Heavy Construction Contractor Examination Exam

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